Knurl BroKnurl Bro

Knurls

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🔒 Your file never leaves this device. Everything runs in your browser.
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Knurl any 3D model
Add a grippy diamond knurl to any surface of your part, in your browser.
A plain rounded block
Your model
The same block with a diamond knurl around its sides
Knurled
STL, 3MF, OBJ or STEP · or drag a file anywhere onto this window
  1. Open your model. It stays on your device.
  2. Click a surface and tune the knurl with a live preview.
  3. Export STL or 3MF. It's free.
🔒 Your file is opened right here in your browser and is never uploaded. How we keep it private
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Working…
Click a surface to knurl it · Ctrl-click to add surfaces · drag to orbit
Drop an STL, 3MF, OBJ or STEP file to open it

Export

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Support Knurl Bro

Knurl Bro is free to use. If it saved you time, a tip keeps it running and improving.

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Secure card payment by Stripe, in a new tab, so your model stays open here. A tip is a voluntary gift for the free tool, not a purchase, and it isn't tax-deductible. Nothing about your model is sent. Terms